#include<bits/stdc++.h>
using namespace std;
int main(){
	cout<<12<<" "<<23;
	return 0;
}

#include <iostream>

#include <cstdio>

#include <fstream>

#include <algorithm>

#include <cmath>

#include <deque>

#include <vector>

#include <queue>

#include <string>

#include <cstring>

#include <map>

#include <stack>

#include <set> using namespace std;

int* calculate_sum(int head,int leg)
{
   int* couple=new int[2];
   int rabbit=0;
   int chicken=0;
   for(int i=rabbit;i<100;i++)
   {
     for(int j=chicken;j<100;j++)
     {
        if(4*i+2*j==leg and i+j==head)
        {
            couple[0]=rabbit=i;
            couple[1]=chicken=j;
            return couple;
        }
     }
   }
 
   return couple;
}

int main(){

    std::cout<<calculate_sum(35, 94)[0]<<" "<<calculate_sum(35, 94)[1];

    return 0;

}
```
`